81238078

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{2081}}^1$

素因数の和:2363

約数の個数: 16

約数和(自身を含む): 123670800

約数和(自身を除く): 42432722

約数列:

[1, 2, 131, 149, 262, 298, 2081, 4162, 19519, 39038, 272611, 310069, 545222, 620138, 40619039, 81238078]

約数ペア:

[(1, 81238078), (2, 40619039), (131, 620138), (149, 545222), (262, 310069), (298, 272611), (2081, 39038), (4162, 19519)]